            (tx->arb
              {:arb/metadata [{:metadata/html-tag :div}]
               :arb/value [{:content/text "text"}]}))))
-
     (testing "with single-level nested arb"
       (is (=
            [:arb

             {:arb/metadata [{:metadata/html-tag :div}]
              :arb/value [{:arb/metadata [{:metadata/html-tag :p}]
                           :arb/value [{:content/text "paragraph"}]}]}))))

    (testing "with single-level nested arb with siblings"
      (is (=
           [:arb

                         {:original-tag :div}
                         [:arb {:original-tag :div}
                          [:arb {:original-tag :p} "paragraph"]]]))))
    (testing "single branches 1-level deep with nodes of different type"
      (is (=
           [:div {}
